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Montgomeryite Mineral Data
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General Montgomeryite Information
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 Chemical Formula: |
Ca4MgAl4(PO4)6(OH)4•12(H2O) |
| Composition: |
Molecular Weight = 1,146.58 gm |
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Calcium 13.98 % Ca 19.56 % CaO |
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Magnesium 2.12 % Mg 3.52 % MgO |
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Aluminum 9.41 % Al 17.79 % Al2O3 |
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Phosphorus 16.21 % P 37.14 % P2O5 |
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Hydrogen 2.46 % H 22.00 % H2O |
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Oxygen 55.82 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4MgAl4(PO4)6(OH)4•12(H2O) |
| Environment: |
Forms a series with kingsmountainite. |
| IMA Status: |
Valid Species (Pre-IMA) 1940 |
| Locality: |
Little Green Monster mine, Clay Canyon, Fairfield, Utah County, Utah, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Arthur Mongomery (1909-), mineralogist, teacher, collector, and founder of the Friends of Mineralogy. |
| Name Pronunciation: |
Montgomeryite + Pronunciation  |
| Synonym: |
ICSD 64849 |
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PDF 28-225 |
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